Alert archive / Oklahoma / Tornado Warnings in 2010

Tornado Warning 13, NWS Norman, OK

May 10, 2010Carter County, Jefferson County, Stephens County, Oklahoma

NWS Norman, OK issued this tornado warning at May 10, 2010, 5:49 PM CDT for Carter County, Jefferson County, Stephens County, Oklahoma. It was in force for 26 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 10, 2010, 5:49 PM CDT (22:49 UTC)
Expired: May 10, 2010, 6:15 PM CDT
In force: 26 min
Issued by: NWS Norman, OK
Area: Storm-based polygon

Counties Carter County, OK, Jefferson County, OK, Stephens County, OK

The radar

The Norman radar (KTLX), 120 km from the middle of the area, began a volume at 22:50 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
May 10, 6:15 PM CDT	TORNADO	3 Se Healdton, OK	TORNADO TOUCHED DOWN CAUSING DAMAGE TO TREES AND POWER LINES...WITH MINOR STRUCTURAL DAMAGE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 10, 1:25 PM CDT	Tornado Watch PDS	SPC	9 hr

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 10.8 hours before the alert went out and 106 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 53 J/kg
Mixed-layer CIN: -331 J/kg
Mixed-layer LCL: 442 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 640 m²/s²
0-3 km storm-relative helicity: 652 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

356 
WFUS54 KOUN 102249
TOROUN
OKC019-067-137-102315-
/O.NEW.KOUN.TO.W.0013.100510T2249Z-100510T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
549 PM CDT MON MAY 10 2010

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
  WESTERN CARTER COUNTY IN SOUTHERN OKLAHOMA...
  NORTHEASTERN JEFFERSON COUNTY IN SOUTHERN OKLAHOMA...
  SOUTHEASTERN STEPHENS COUNTY IN SOUTHERN OKLAHOMA...

* UNTIL 615 PM CDT

* AT 549 PM CDT...RADAR AND STORM SPOTTERS OBSERVED A TORNADO 9 MILES
  WEST OF CORNISH...MOVING EAST AT 45 MPH.

* LOCATIONS IN THE WARNING INCLUDE CORNISH...FOX...GRAHAM...
  HEALDTON...MILO...RINGLING AND WILSON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. LEAVE MOBILE HOMES AND VEHICLES. IF POSSIBLE...MOVE
TO A BASEMENT OR STORM SHELTER. OTHERWISE MOVE TO AN INTERIOR ROOM OR
HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS AND OUTSIDE
WALLS.

&&

LAT...LON 3441 9736 3419 9728 3410 9782 3425 9783
TIME...MOT...LOC 2249Z 252DEG 38KT 3418 9771

$$

BURKE

1 follow-up statement

264 
WWUS54 KOUN 102311
SVSOUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
611 PM CDT MON MAY 10 2010

OKC137-102321-
/O.CAN.KOUN.TO.W.0013.000000T0000Z-100510T2315Z/
STEPHENS OK-
611 PM CDT MON MAY 10 2010

...THE TORNADO WARNING HAS BEEN CANCELLED FOR SOUTHEASTERN STEPHENS
COUNTY...

LAT...LON 3429 9765 3429 9756 3434 9755 3441 9736
      3419 9728 3413 9765
TIME...MOT...LOC 2311Z 263DEG 40KT 3420 9742

$$

OKC019-067-102315-
/O.CON.KOUN.TO.W.0013.000000T0000Z-100510T2315Z/
JEFFERSON OK-CARTER OK-
611 PM CDT MON MAY 10 2010

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR WESTERN
CARTER AND NORTHEASTERN JEFFERSON COUNTIES...

AT 611 PM CDT...STORM SPOTTERS REPORTED A TORNADO 5 MILES SOUTH
OF HEALDTON...MOVING EAST AT 45 MPH.

* LOCATIONS IN THE WARNING INCLUDE CORNISH...FOX...GRAHAM...
  HEALDTON...MILO AND RINGLING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. LEAVE MOBILE HOMES AND VEHICLES. IF POSSIBLE...MOVE
TO A BASEMENT OR STORM SHELTER. OTHERWISE MOVE TO AN INTERIOR ROOM OR
HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS AND OUTSIDE
WALLS.

&&

LAT...LON 3429 9765 3429 9756 3434 9755 3441 9736
      3419 9728 3413 9765
TIME...MOT...LOC 2311Z 263DEG 40KT 3420 9742

$$

BURKE

The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 9, 8:19 PM CDT	High Wind Watch	OUN	Alfalfa, Beckham, Blaine, Custer, Dewey, Ellis and 6 more	14 hr
May 10, 4:16 AM CDT	High Wind Warning	OUN	Beckham, Ellis, Harper, Roger Mills, Woods, Woodward	16 hr
May 10, 4:16 AM CDT	Wind Advisory	OUN	Alfalfa, Blaine, Custer, Dewey, Greer, Harmon and 5 more	16 hr
May 10, 2:11 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Major, Woods, Woodward	64 min
May 10, 2:22 PM CDT	Tornado Warning	OUN	Alfalfa, Major, Woods, Woodward	53 min
May 10, 3:13 PM CDT	Tornado Warning	OUN	Alfalfa, Grant	47 min
May 10, 3:41 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Garfield, Grant, Kingfisher, Major, Noble	64 min
May 10, 3:52 PM CDT	Tornado Warning	OUN	Grant, Kay	38 min
May 10, 4:16 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian, Cleveland, Grady, Kingfisher, Logan and 2 more	59 min
May 10, 4:16 PM CDT	Tornado Warning	OUN	Garfield, Kay, Noble	44 min
May 10, 4:25 PM CDT	Tornado Warning	OUN	Kay	35 min
May 10, 4:47 PM CDT	Tornado Warning	OUN	Canadian, Cleveland, Grady, Oklahoma	58 min
May 10, 4:51 PM CDT	Severe Thunderstorm Warning	OUN	Cotton, Jefferson, Stephens	54 min
May 10, 4:57 PM CDT	Tornado Warning	OUN	Noble	33 min
May 10, 5:05 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Grady, Lincoln, McClain, Oklahoma, Pottawatomie	55 min
May 10, 5:07 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Logan, Noble, Payne	38 min
May 10, 5:15 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Murray, Stephens	45 min
May 10, 5:19 PM CDT	Tornado Warning	OUN	Lincoln, Logan	37 min
May 10, 5:25 PM CDT	Tornado Warning	OUN	Garvin, Grady, Stephens	20 min
May 10, 5:26 PM CDT	Tornado Warning	OUN	Cleveland, Lincoln, Oklahoma, Pottawatomie	49 min
May 10, 5:40 PM CDT	Severe Thunderstorm Warning	OUN	Jefferson, Stephens	35 min
May 10, 5:56 PM CDT	Tornado Warning	OUN	Carter, Jefferson, Love	49 min
May 10, 5:59 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Garvin, McClain, Pontotoc, Pottawatomie, Seminole	46 min
May 10, 6:02 PM CDT	Severe Thunderstorm Warning	OUN	Kay	31 min
May 10, 6:04 PM CDT	Tornado Warning	OUN	Carter, Johnston, Murray	41 min
May 10, 6:04 PM CDT	Tornado Warning	OUN	Kay	27 min
May 10, 6:08 PM CDT	Tornado Warning	OUN	Hughes, Lincoln, Pottawatomie, Seminole	67 min
May 10, 6:08 PM CDT	Tornado Warning	OUN	Kay	24 min
May 10, 6:11 PM CDT	Tornado Warning	OUN	Noble	15 min
May 10, 6:12 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Grady, McClain, Pottawatomie	48 min
May 10, 6:18 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, Grady, McClain, Stephens	42 min
May 10, 6:35 PM CDT	Tornado Warning	OUN	Carter, Johnston, Marshall, Murray	40 min
May 10, 6:37 PM CDT	Tornado Warning	OUN	Cleveland, McClain, Pontotoc, Pottawatomie, Seminole	53 min
May 10, 6:39 PM CDT	Tornado Warning	OUN	Carter, Love, Marshall	51 min
May 10, 6:40 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Lincoln, Oklahoma, Pottawatomie	50 min
May 10, 6:51 PM CDT	Tornado Warning	OUN	Lincoln, Pottawatomie, Seminole	39 min

Nearby

Tornado Warnings in Oklahoma, 2010 Every tornado warning in 2010 Tornadoes in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.